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This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Pavement Design knowledge and support exam preparation. Choose a topic below to get started.
1. |
The IRC method of rigid pavement design consists of the determination of various parameters. Which of the below options represents the order of designing the parameters? |
A. | Slab thickness, dowel and tie bar design |
B. | Joint spacing, slab thickness, dowel and tie bar design |
C. | Slab thickness, joint spacing, dowel and tie bar design |
D. | Slab thickness, stress determination, dowel and tie bar design |
Answer» C. Slab thickness, joint spacing, dowel and tie bar design | |
2. |
Which of the below represents a safe design? |
A. | Temperature stress + load stress at edge = 46.65 kg/cm<sup>2</sup> |
B. | Corner load stress = 48 kg/cm<sup>2</sup> |
C. | Temperature stress + load stress at edge = 43.65 kg/cm<sup>2</sup> |
D. | Corner load stress = 45.65 kg/cm<sup>2</sup> |
Answer» D. Corner load stress = 45.65 kg/cm<sup>2</sup> | |
3. |
The trial thickness is considered to be unsafe if the cumulative fatigue life is ______ |
A. | Less than 1 |
B. | More than 1 |
C. | Less than 0.5 |
D. | More than 0.5 |
Answer» C. Less than 0.5 | |
4. |
To calculate the corner stress, the equation by ______ is used. |
A. | Westergaard |
B. | Kelly |
C. | Teller |
D. | Bradbury |
Answer» C. Teller | |
5. |
What is stress ratio? |
A. | Flexural stress due to load / flexural strength of concrete |
B. | Flexural strength of concrete / flexural stress due to warping |
C. | Flexural stress due to warping / flexural strength of concrete |
D. | Flexural strength of concrete / flexural stress due to load |
Answer» B. Flexural strength of concrete / flexural stress due to warping | |
6. |
The states belonging to which zone have the maximum temperature differential? |
A. | Zone I |
B. | Zone II |
C. | Zone III |
D. | Zone IV |
Answer» D. Zone IV | |
7. |
What is the range of values for flexural strength of concrete? |
A. | 44.27 to 47.61 kg/cm<sup>2</sup> |
B. | 37.26 to 44.27 kg/cm<sup>2</sup> |
C. | 33.27 to 47.61 kg/cm<sup>2</sup> |
D. | 37.26 to 47.61 kg/cm<sup>2</sup> |
Answer» E. | |
8. |
The equation (f_{cr}=0.49f_{ck}^{0 55} ) to find the flexural strength of concrete was given by ______ |
A. | IS 456:2000 |
B. | Croney and Croney |
C. | AASHTO |
D. | IRC 58:2002 |
Answer» C. AASHTO | |
9. |
Which of the below is used as a check for the design of slab thickness? |
A. | Edge temperature stress |
B. | Corner temperature stress |
C. | Edge load stress |
D. | Corner warping stress |
Answer» B. Corner temperature stress | |
10. |
The design of rigid pavement essentially means the computation of slab thickness. |
A. | True |
B. | False |
Answer» C. | |
11. |
Which of the below axles are not to be considered in the design? |
A. | Tandem axle |
B. | Single axle |
C. | Rear axle |
D. | Front axle |
Answer» E. | |
12. |
The traffic volume is usually projected for ______ years. |
A. | 15 |
B. | 20 |
C. | 25 |
D. | 30 |
Answer» C. 25 | |
13. |
What is the method used for the design of rigid pavements? |
A. | IRC method |
B. | Westergaard s analysis |
C. | Bradbury s analysis |
D. | PCA method |
Answer» B. Westergaard s analysis | |